Metabor\Statemachine\Process::addState PHP Метод

    protected function addState(StateInterface $state)
    {
        $name = $state->getName();
        if ($this->states->hasState($name)) {
            if ($this->states->getState($name) !== $state) {
                throw new \Exception('There is already a different state with name "' . $name . '"');
            }
        } else {
            $this->states->addState($state);
            /* @var $transition TransitionInterface */
            foreach ($state->getTransitions() as $transition) {
                $targetState = $transition->getTargetState();
                $this->addState($targetState);
            }
        }
    }